fixes/refactoring

DragonECS-Relations.asmdef

@@ -1,12 +1,12 @@
 {
-    "name": "DCFApixels.DragonECS.Relations",
+    "name": "DCFApixels.DragonECS.Graphs",
     "rootNamespace": "DCFApixels",
     "references": [
         "GUID:abb125fa67fff1e45914d0825236f608"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],
-    "allowUnsafeCode": false,
+    "allowUnsafeCode": true,
     "overrideReferences": false,
     "precompiledReferences": [],
     "autoReferenced": true,

src/Builtin/EcsArcWorld.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 245c8b2a0b1b736438bc5016f536df7b
+guid: 72248d53a53519847b5b360dd02c37c5
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

src/EcsArc.cs

@@ -19,7 +19,7 @@ namespace DCFApixels.DragonECS
         private readonly EndWorldHandler _endWorldHandler;
         private readonly LoopWorldHandler _loopWorldHandler;
 
-        private RelEntityInfo[] _relEntityInfos; //N * (N - 1) / 2
+        private RelationInfo[] _relEntityInfos; //N * (N - 1) / 2
         private readonly SparseMatrix _matrix;
 
         private bool _isLoop;
@@ -67,7 +67,7 @@ namespace DCFApixels.DragonECS
 
             _isLoop = startWorld == endWorld;
 
-            _relEntityInfos = new RelEntityInfo[arcWorld.Capacity];
+            _relEntityInfos = new RelationInfo[arcWorld.Capacity];
             _matrix = new SparseMatrix(arcWorld.Capacity);
 
             _arcWorldHandler = new ArcWorldHandler(this);
@@ -119,7 +119,7 @@ namespace DCFApixels.DragonECS
         {
             int relEntityID = _arcWorld.NewEntity();
             _matrix.Add(startEntityID, endEntityID, relEntityID);
-            _relEntityInfos[relEntityID] = new RelEntityInfo(startEntityID, endEntityID);
+            _relEntityInfos[relEntityID] = new RelationInfo(startEntityID, endEntityID);
             return relEntityID;
         }
         #endregion
@@ -156,9 +156,9 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void ClearRelation_Internal(int relEntityID)
         {
-            ref RelEntityInfo info = ref _relEntityInfos[relEntityID];
+            ref RelationInfo info = ref _relEntityInfos[relEntityID];
             _matrix.TryDel(info.start, info.end);
-            info = RelEntityInfo.Empty;
+            info = RelationInfo.Empty;
         }
         #endregion
 
@@ -170,16 +170,16 @@ namespace DCFApixels.DragonECS
             {
                 return false;
             }
-            return !_relEntityInfos[relEntityID].IsEmpty;
+            return !_relEntityInfos[relEntityID].IsNull;
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public RelEntityInfo GetRelationInfo(int relEntityID)
+        public StartEnd GetRelationInfo(int relEntityID)
         {
             if (relEntityID <= 0 || relEntityID >= _relEntityInfos.Length)
             {
                 Throw.UndefinedException();
             }
-            return _relEntityInfos[relEntityID];
+            return new StartEnd(_relEntityInfos[relEntityID]);
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public int GetRelStart(int relEntityID)

src/EcsArc.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 15bd591d98596324aaf149538dfbb174
+guid: 8bbdbeffc4dbc37478284bfc4d2c8d59
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

src/EcsWorldGraph.cs

@@ -1,5 +1,4 @@
 using DCFApixels.DragonECS.Graphs.Internal;
-using DCFApixels.DragonECS.Graphs.Utils;
 using System;
 
 namespace DCFApixels.DragonECS

src/EcsWorldGraph.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 56fd7412f01e8be4485580a7860b1331
+guid: 1ebb7cb8c3ca3e74dbcec878a032442e
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

src/Executors.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: c3e96147ad8229048bfd07d82236327c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Executors/EcsJoinExecutor.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 37a368fc468a4f845ba8f0426d44ac46
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 73c4fcc6529a39342a22a06cd2eef4f9
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal/ArrayUtility.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e18d76e777aacc74d87b74a4160f4dd4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal/BitsUtility.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 20978cdfe73c32d49952cb225e32a5b8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal/RelationInfo.cs

@@ -6,9 +6,9 @@ namespace DCFApixels.DragonECS.Graphs.Internal
 {
     [StructLayout(LayoutKind.Sequential, Pack = 4, Size = 8)]
     [Serializable]
-    internal readonly struct RelEntityInfo : IEquatable<RelEntityInfo>
+    internal readonly struct RelationInfo : IEquatable<RelationInfo>
     {
-        public static readonly RelEntityInfo Empty = new RelEntityInfo();
+        public static readonly RelationInfo Empty = new RelationInfo();
 
         /// <summary>Start vertex entity ID.</summary>
         public readonly int start;
@@ -16,15 +16,21 @@ namespace DCFApixels.DragonECS.Graphs.Internal
         public readonly int end;
 
         #region Properties
-        public bool IsEmpty
+        public bool IsNull
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => start == 0 && end == 0;
+            get { return start == 0 && end == 0; }
+        }
+        public bool IsLoop
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return start == end; }
         }
         #endregion
 
+        #region Constructor/Deconstruct
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal RelEntityInfo(int startEntity, int endEntity)
+        internal RelationInfo(int startEntity, int endEntity)
         {
             start = startEntity;
             end = endEntity;
@@ -35,21 +41,22 @@ namespace DCFApixels.DragonECS.Graphs.Internal
             start = this.start;
             end = this.end;
         }
+        #endregion
 
         #region operators
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static bool operator ==(RelEntityInfo a, RelEntityInfo b) => a.start == b.start && a.end == b.end;
+        public static bool operator ==(RelationInfo a, RelationInfo b) { return a.start == b.start && a.end == b.end; }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static bool operator !=(RelEntityInfo a, RelEntityInfo b) => a.start != b.start || a.end != b.end;
+        public static bool operator !=(RelationInfo a, RelationInfo b) { return a.start != b.start || a.end != b.end; }
         #endregion
 
         #region Other
-        public override bool Equals(object obj) => obj is RelEntityInfo targets && targets == this;
+        public override bool Equals(object obj) { return obj is RelationInfo targets && targets == this; }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool Equals(RelEntityInfo other) => this == other;
+        public bool Equals(RelationInfo other) { return this == other; }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public override int GetHashCode() => ~start ^ end;
-        public override string ToString() => $"arc({start} -> {end})";
+        public override int GetHashCode() { return start ^ BitsUtility.NextXorShiftState(end); }
+        public override string ToString() { return $"arc({start} -> {end})"; }
         #endregion
     }
 }

src/Internal/RelationInfo.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: dbff41f77f58de74e8a869e63278a16c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal/SparseArray.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c3dd2571d8641a142a77b4dc93c8a33b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal/SparseMatrix.cs

@@ -121,7 +121,7 @@ namespace DCFApixels.DragonECS.Graphs.Internal
             }
 
 #if DEBUG
-            if(_freeCount < 0) { Throw.UndefinedException(); }
+            if (_freeCount < 0) { Throw.UndefinedException(); }
 #endif
 
             ref Basket basket = ref _buckets[targetBucket];
@@ -179,7 +179,7 @@ namespace DCFApixels.DragonECS.Graphs.Internal
         {
             int index = FindEntry(x, y);
 #if DEBUG
-            if(index < 0) { Throw.KeyNotFound(); }
+            if (index < 0) { Throw.KeyNotFound(); }
 #endif
             return _entries[index].value;
         }

src/Internal/SparseMatrix.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 33f08dac2af94224394c92df946092b8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Internal/UnsafeArray.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a40924dd997ba8443b5dbe58940f3d0d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/Utils/Rel.cs

@@ -1,47 +0,0 @@
-using System.Runtime.CompilerServices;
-
-namespace DCFApixels.DragonECS
-{
-    public readonly ref struct StartRelEnd
-    {
-        /// <summary>Start vertex entity ID.</summary>
-        public readonly int start;
-        /// <summary>Relation entity ID.</summary>
-        public readonly int rel;
-        /// <summary>End vertex entity ID.</summary>
-        public readonly int end;
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public StartRelEnd(int start, int rel, int end)
-        {
-            this.start = start;
-            this.rel = rel;
-            this.end = end;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void Deconstruct(out int start, out int rel, out int end)
-        {
-            start = this.start;
-            rel = this.rel;
-            end = this.end;
-        }
-    }
-    public readonly ref struct RelEnd
-    {
-        /// <summary>Relation entity ID.</summary>
-        public readonly int rel;
-        /// <summary>End vertex entity ID.</summary>
-        public readonly int end;
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public RelEnd(int rel, int end)
-        {
-            this.rel = rel;
-            this.end = end;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void Deconstruct(out int rel, out int end)
-        {
-            rel = this.rel;
-            end = this.end;
-        }
-    }
-}

src/Utils/Rels.cs

@@ -0,0 +1,166 @@
+using DCFApixels.DragonECS.Graphs.Internal;
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace DCFApixels.DragonECS
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4, Size = 8)]
+    [Serializable]
+    public readonly ref struct StartEnd
+    {
+        /// <summary>Start vertex entity ID.</summary>
+        public readonly int start;
+        /// <summary>End vertex entity ID.</summary>
+        public readonly int end;
+
+        #region Properties
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return start == 0 && end == 0; }
+        }
+        public bool IsLoop
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return start == end; }
+        }
+        #endregion
+
+        #region Constructor/Deconstruct
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal StartEnd(RelationInfo relInfo)
+        {
+            start = relInfo.start;
+            end = relInfo.end;
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal StartEnd(int startEntity, int endEntity)
+        {
+            start = startEntity;
+            end = endEntity;
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Deconstruct(out int start, out int end)
+        {
+            start = this.start;
+            end = this.end;
+        }
+        #endregion
+
+        #region operators
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static bool operator ==(StartEnd a, StartEnd b) { return a.start == b.start && a.end == b.end; }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static bool operator !=(StartEnd a, StartEnd b) { return a.start != b.start || a.end != b.end; }
+        #endregion
+
+        #region Other
+        public override bool Equals(object obj) { throw new NotImplementedException(); }
+        public override int GetHashCode() { throw new NotImplementedException(); }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool Equals(StartEnd other) { return this == other; }
+        public override string ToString() { return $"arc({start} -> {end})"; }
+        #endregion
+    }
+    public readonly ref struct StartRelEnd
+    {
+        /// <summary>Start vertex entity ID.</summary>
+        public readonly int start;
+        /// <summary>Relation entity ID.</summary>
+        public readonly int rel;
+        /// <summary>End vertex entity ID.</summary>
+        public readonly int end;
+
+        #region Properties
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return rel == 0 || (start == 0 && end == 0); }
+        }
+        public bool IsLoop
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return start == end; }
+        }
+        #endregion
+
+        #region Constructor/Deconstruct
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public StartRelEnd(int start, int rel, int end)
+        {
+            this.start = start;
+            this.rel = rel;
+            this.end = end;
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Deconstruct(out int start, out int rel, out int end)
+        {
+            start = this.start;
+            rel = this.rel;
+            end = this.end;
+        }
+        #endregion
+
+        #region operators
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static bool operator ==(StartRelEnd a, StartRelEnd b) { return a.start == b.start && a.rel == b.rel && a.end == b.end; }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static bool operator !=(StartRelEnd a, StartRelEnd b) { return a.start != b.start || a.rel != b.rel || a.end != b.end; }
+        #endregion
+
+        #region Other
+        public override bool Equals(object obj) { throw new NotImplementedException(); }
+        public override int GetHashCode() { throw new NotImplementedException(); }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool Equals(StartRelEnd other) { return this == other; }
+        public override string ToString() { return $"arc({start} --({rel})-> {end})"; }
+        #endregion
+    }
+    public readonly ref struct RelEnd
+    {
+        /// <summary>Relation entity ID.</summary>
+        public readonly int rel;
+        /// <summary>End vertex entity ID.</summary>
+        public readonly int end;
+
+        #region Properties
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return rel == 0; }
+        }
+        #endregion
+
+        #region Constructor/Deconstruct
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public RelEnd(int rel, int end)
+        {
+            this.rel = rel;
+            this.end = end;
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Deconstruct(out int rel, out int end)
+        {
+            rel = this.rel;
+            end = this.end;
+        }
+        #endregion
+
+        #region operators
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static bool operator ==(RelEnd a, RelEnd b) { return a.rel == b.rel && a.end == b.end; }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static bool operator !=(RelEnd a, RelEnd b) { return a.rel != b.rel || a.end != b.end; }
+        #endregion
+
+        #region Other
+        public override bool Equals(object obj) { throw new NotImplementedException(); }
+        public override int GetHashCode() { throw new NotImplementedException(); }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool Equals(RelEnd other) { return this == other; }
+        public override string ToString() { return $"arc(--({rel})-> {end})"; }
+        #endregion
+    }
+}

src/Utils/Rels.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f15f529231efb91419dc996fc78319cf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: